function ShapePainter(scene){
	this.scene = scene;
	this.shape = null;

	this.createShape = function(pos){		
	}
	this.createShapeCheckpoint = function(pos){
		if(this.shape==null){
			this.createShape(pos);
		}	
	}
	this.createShapeProgress = function(pos){
	}
	this.finalize = function(){		
	}
	this.serialize = function(){		
	}
}